EP1245478B1 - External body part for automobile - Google Patents

External body part for automobile Download PDF

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Publication number
EP1245478B1
EP1245478B1 EP01107636A EP01107636A EP1245478B1 EP 1245478 B1 EP1245478 B1 EP 1245478B1 EP 01107636 A EP01107636 A EP 01107636A EP 01107636 A EP01107636 A EP 01107636A EP 1245478 B1 EP1245478 B1 EP 1245478B1
Authority
EP
European Patent Office
Prior art keywords
external body
body part
part according
film
roof
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01107636A
Other languages
German (de)
French (fr)
Other versions
EP1245478A1 (en
Inventor
Joachim Birkner
Norbert Elbs
Gottfried Ogris
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Webasto SE
Original Assignee
BASF SE
Webasto SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BASF SE, Webasto SE filed Critical BASF SE
Priority to AT01107636T priority Critical patent/ATE305874T1/en
Priority to DE50107610T priority patent/DE50107610D1/en
Priority to ES01107636T priority patent/ES2249343T3/en
Priority to EP01107636A priority patent/EP1245478B1/en
Publication of EP1245478A1 publication Critical patent/EP1245478A1/en
Application granted granted Critical
Publication of EP1245478B1 publication Critical patent/EP1245478B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/04—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of synthetic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
    • B60J7/02—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of sliding type, e.g. comprising guide shoes
    • B60J7/04—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of sliding type, e.g. comprising guide shoes with rigid plate-like element or elements, e.g. open roofs with harmonica-type folding rigid panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
    • B29C43/183—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles the preformed layer being a lining, e.g. shaped in the mould before compression moulding, or a preformed shell adapted to the shape of the mould
    • B29C43/184—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles the preformed layer being a lining, e.g. shaped in the mould before compression moulding, or a preformed shell adapted to the shape of the mould shaped by the compression of the material during moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005—Body finishings
    • B29L2031/3041—Trim panels

Definitions

  • the present invention relates to a body outer part for a vehicle according to the preamble of claim 1.
  • a generic body outer part for a vehicle is known from EP 0 995 667 A1 known. This is made of an outer skin produced by thermoforming, one on this foamed Kunsstoff für and one after formed inside decorative fabrics. The rigidity and load capacity of a such composite component is very limited.
  • DE 1 680 071 A is a plastic cover for a sliding roof, which consists of two surface-mounted plastic moldings, by means of a bonding material, e.g. an adhesive or foam, are firmly connected to each other.
  • the lower molding is by ribs, in particular Hollow ribs, reinforced.
  • the upper molding can be made of polyester and the lower molded part made of polycarbonate.
  • a double-shell lid for a vehicle roof which comprises a top part made of plastic and a bottom part made of sheet metal, which are connected to each other via a locking member, wherein between the plastic part and the sheet metal part a cavity is formed.
  • From DE 197 08 369 C1 is a cover of an openable vehicle roof known, which from a cover outer panel and a below the same arranged cover inner plate is made in the edge region firmly together are connected, wherein between the outer cover plate and the inner cover plate a cavity is formed.
  • trained roof blades are made DE 41 29 860 C1 known.
  • a body outer part for a vehicle to create which can be produced inexpensively, in a simple Way for specific functional requirements is optimizable and a low Weight, but still has the required strength.
  • a roof element 10 is shown, which is a lid of a openable vehicle roof, such as a sunroof, Sliding roof or spoiler roof, or around a slat of a slatted roof can act.
  • the roof element comprises one on the outside of the vehicle lying upper shell 12 and a lying on the inside of the vehicle Lower shell 14.
  • the upper shell 12 consists of a film 16, which with a reinforcing material 18 is injected behind. Injection of foils for vehicle body parts is, for example, in X. Hopfenspirger et al., "Kunststoff-Außenener can be integrated ", reprint from the journal” Kunststoffe plast europe ", 88.
  • the film 16 may be multi-layered, wherein a cover layer, a Color layer and a film support layer may be provided, wherein the Cover layer, which may be formed of PMMA or Plexiglas transparent, for the necessary scratch resistance, hardness, weather resistance and the necessary Gloss ensures the color layer, which can also consist of PMMA, dyed is, in order for a desired coloring or effect coloring (metallic, baubles etc.) and the carrier layer, which consist for example of ASA or ASA / PC can, for a desired color as well as for adhesion to Schuspritzmaterial or reinforcing material 18 can provide.
  • the foil layers may also be provided for improving the UV resistance. If the film support layer is colored, can also be dispensed with the color layer become.
  • the individual film layers are used in the production of Foil preferably coextruded.
  • the back-injected reinforcing material can be, for example, ASA, ABS, ASA / PC, PBT / ASA or PUR-GF, with the choice of materials of the specific application depends.
  • the shape of the upper shell 12 is selected so that that it is designed substantially as a flat plate.
  • the top shell 12 for contact with a seal with a provided rounded edge.
  • the lower shell 14 has a slightly curved plate-shaped base region 22, of which several are arranged approximately equidistantly, in the roof transverse direction extending spacer ribs 24 extend vertically upwards.
  • the Lower shell 14 is formed as an injection molded part.
  • the upper ends of the spacer ribs 24 are slightly protruding to to allow a connection with the upper shell 12 by means of friction welding.
  • the upper shell 12 and the lower shell 14 periodically shifted in the pressed state against each other, wherein the resulting frictional heat melting the Contact area at the upper end of the spacer ribs 24 causes, resulting in a Welded joint in this area between the upper shell 12 and the lower shell 14 leads.
  • the cavities 26 formed between the ribs 24 can either be left blank or they can be with one if necessary Fill material, such as a foam, are filled, for example to achieve a sound insulation.
  • the present invention is not limited to the described friction welding limited, but the two shells 12, 14 and others Way are firmly connected to each other, for example, by another Plastic welding, gluing, Verklipsung or by a filler with adhesive effect.
  • the shells 12, 14 designed so that they provide for functional integration, otherwise required additional parts can be saved, resulting in a reduction in costs leads.
  • the front of the lower shell 14 formed as a gutter 28, which penetrates in this area Water laterally in the roof longitudinal direction extending guide rails for Roof element 10 (not shown) initiates.
  • a in roof transverse direction extending sealing element 30 made of elastic material, e.g.
  • Rubber or silicone provided, which in the example shown as a hollow chamber seal is formed and a rearwardly extending attachment portion 32, which thus pulled between the down Leading edge 34 of the upper shell 12 and a web-like upwardly occidentalrekkenden Section 36 of the lower shell 14 comes to rest, that the sealing element 30 by means of a thickened end portion against slipping out is secured to the front.
  • the upper shell 12 and the lower shell act 14 in interaction as a seal holder.
  • the Attachment of the sealing element 30 in that the sealing element 30 with the attachment portion 32 in the region of the leading edge 34 and of the web 36 is positioned before the upper shell 12 and the lower shell 14th be joined together (in the example shown by means of friction welding). As a result, the sealing element 30 can be easily attached to the roof element 10 are mounted.
  • the sealing element 30 can either be for contact with the front edge of a Roof opening or for engagement with the rear edge 20 of a second, substantially identical roof element 10, be formed, see Fig. 2. In the area the sealing element 30 penetrating water is as described above caught by the gully 28 and derived.
  • the rear end of the lower shell 14 is formed as a drip edge 38 to possibly defined at the bottom of the roof element 10 returning water let drain as shown in FIG. 2 such water in the gutter 28 of the adjacent roof element 10 drips.
  • Certain areas of the lower shell 14 may be formed as screens to cover certain areas of roofing mechanics.
  • a buffer member 40 made of elastic material provided on the underside of the lower shell 14, to which in the in Fig. 2 shown closed position of the roof elements 10, a corresponding counterpart 42 applies, which of the front edge 42 of the gully 28 of the adjacent roof element 10 is formed.
  • the buffer element 40 is provided, to ensure the height adjustment of the roof elements 10 relative to each other.
  • the underside of the lower shell 14 may be visible to the passenger compartment and is therefore equipped with an appropriate surface quality, which For example, be achieved by a cloth lamination, a grain, etc. can.
  • the bottom of the lower shell 14 of a preferably colored back-injected film are formed, in which case the lower shell is not as an injection molded part, but as a back-sprayed film like the upper shell in the shown Example with a reinforcing material, which then also forms the ribs 24, is trained.
  • the top shell 12 instead of the Lower shell 14 may be formed as an injection molded part.
  • the invention is not limited to the fact that the film is back-injected.
  • the film may be backfoamed or back pressed with reinforcing material.
  • at the foam-backed reinforcing material may be, for example, a PU system act, which is preferably glass fiber reinforced.
  • a PU system act which is preferably glass fiber reinforced.
  • Reinforcing material may be prefabricated plate material, e.g. to trade glass fiber reinforced PP boards.
  • PMMA Polymethyl methacrylate
  • ASA acrylonitrile / styrene / acrylic ester
  • PC polycarbonate
  • ABS acrylonitrile / butadiene / styrene
  • PBT polybutylene terephthalate
  • PU polyurethane
  • GF glass fiber
  • PP polypropylene
  • roof element outward side is that side meant the two sides of the upper part or of the lower part, which does not belong to the indicates the cavity enclosed by the upper part and the lower part.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)
  • Springs (AREA)
  • Laminated Bodies (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Abstract

Upper (12) and lower (14) shell-like parts are joined together to form a structure with an internal chamber (26). The outward facing side of the upper part and/or the lower part are formed from sheet (16) onto the back of which a reinforcing material (18) is either injected, foamed or pressed.

Description

Die vorliegende Erfindung betrifft ein Karosserie-Außenteil für ein Fahrzeug gemäß dem Oberbegriff des Patentanspruchs 1.The present invention relates to a body outer part for a vehicle according to the preamble of claim 1.

Ein gattungsgemäßes Karosserie-Außenteil für ein Fahrzeug ist aus der EP 0 995 667 A1 bekannt. Dieses wird von einer durch Tiefziehen hergestellten Außenhaut, einer auf diese aufgeschäumten Kunsstoffschicht und einem daran nach innen dekorativen Flächengebilde gebildet. Die Steifigkeit und Tragfähigkeit eines solchen Verbundbauteils ist sehr beschränkt.A generic body outer part for a vehicle is known from EP 0 995 667 A1 known. This is made of an outer skin produced by thermoforming, one on this foamed Kunsstoffschicht and one after formed inside decorative fabrics. The rigidity and load capacity of a such composite component is very limited.

Ein weiteres Karosserie-Außenteil für ein Fahrzeug ist aus der DE 1 680 071 A bekannt, wobei es sich um einen Kunststoffdeckel für ein Schiebedach handelt, der aus zwei flächig gegeneinander angeordneten Kunststoffformteilen besteht, die mittels eines Verbindungswerkstoffes, z.B. eines Klebers oder Schaumes, miteinander fest verbunden sind. Das untere Formteil ist dabei durch Rippen, insbesondere Hohlrippen, verstärkt. Das obere Formteil kann aus Polyester und das untere Formteil aus Polycarbonat bestehen.Another body outer part for a vehicle is known from DE 1 680 071 A known, which is a plastic cover for a sliding roof, which consists of two surface-mounted plastic moldings, by means of a bonding material, e.g. an adhesive or foam, are firmly connected to each other. The lower molding is by ribs, in particular Hollow ribs, reinforced. The upper molding can be made of polyester and the lower molded part made of polycarbonate.

Aus der DE 197 39 386 C1 ist ein zweischaliger Deckel für ein Fahrzeugdach bekannt, welcher ein Oberteil aus Kunststoff und ein Unterteil aus Blech umfasst, welche über ein Verriegelungsorgan miteinander verbunden sind, wobei zwischen dem Kunststoffteil und dem Blechteil ein Hohlraum ausgebildet ist. From DE 197 39 386 C1 a double-shell lid for a vehicle roof is known, which comprises a top part made of plastic and a bottom part made of sheet metal, which are connected to each other via a locking member, wherein between the plastic part and the sheet metal part a cavity is formed.

Aus der DE 197 08 369 C1 ist ein Deckel eines öffnungsfähigen Fahrzeugdaches bekannt, welcher aus einem Deckelaußenblech und einem unterhalb desselben angeordneten Deckelinnenblech besteht, die im Randbereich fest miteinander verbunden sind, wobei zwischen dem Deckelaußenblech und dem Deckelinnenblech ein Hohlraum ausgebildet ist. Ähnlich ausgebildete Dachlamellen sind aus der DE 41 29 860 C1 bekannt.From DE 197 08 369 C1 is a cover of an openable vehicle roof known, which from a cover outer panel and a below the same arranged cover inner plate is made in the edge region firmly together are connected, wherein between the outer cover plate and the inner cover plate a cavity is formed. Similarly trained roof blades are made DE 41 29 860 C1 known.

Es ist Aufgabe der vorliegenden Erfindung, ein Karosserie-Außenteil für ein Fahrzeug zu schaffen, welches kostengünstig hergestellt werden kann, in einfacher Weise für spezifische Funktionsanforderungen optimierbar ist und ein geringes Gewicht, aber dennoch die erforderliche Festigkeit aufweist.It is an object of the present invention, a body outer part for a vehicle to create, which can be produced inexpensively, in a simple Way for specific functional requirements is optimizable and a low Weight, but still has the required strength.

Diese Aufgabe wird erfindungsgemäß gelöst durch ein Karosserie-Außenteil für ein Fahrzeug gemäß Anspruch 1.This object is achieved by a body outer part for A vehicle according to claim 1.

Bei dieser Lösung ist vorteilhaft, dass das Oberteil und das Unterteil durch die Kunststoffbauweise mit relativ geringem Gewicht, aber hoher Festigkeit in einfacher Weise gefertigt werden können, wobei durch entsprechende Formgestaltung eine Funktionsintegration möglich ist, was zur Einsparung zusätzlicher Teile führt, sowie dass durch die Verwendung einer hinterspritzten, hinterschäumten oder hinterpressten Folie auf eine Lackierung des die Folie aufweisenden Teils verzichtet werden kann, was zu Kosteneinsparungen führt. Durch den zwischen Oberteil und Unterteil eingeschlossenen Hohlraum entsteht dabei ein Sandwich-Bauteil mit hoher Festigkeit.In this solution, it is advantageous that the upper part and the lower part through the Plastic construction with relatively low weight, but high strength in a simpler Way can be made, whereby by appropriate design a functional integration is possible, which leads to the saving of additional parts, as well as through the use of a back-injected, foam-backed or Pressed foil on a paint of the film having part omitted which can lead to cost savings. By the between Upper part and lower part enclosed cavity thereby creates a sandwich component with high strength.

Bevorzugte Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.Preferred embodiments of the invention will become apparent from the dependent claims.

Im folgenden wird die Erfindung anhand der beigefügten Zeichnungen beispielhaft näher erläutert. Es zeigen:

Fig. 1
eine Querschnittansicht eines erfindungsgemäßen Dachelements; und
Fig. 2
eine gegenüber Fig. 1 vergrößert dargestellte Darstellung des Kontaktbereichs zwischen zwei Dachelementen.
In the following the invention will be described by way of example with reference to the accompanying drawings. Show it:
Fig. 1
a cross-sectional view of a roof element according to the invention; and
Fig. 2
an enlarged representation of the contact area between two roof elements compared to FIG.

In Fig. 1 ist ein Dachelement 10 gezeigt, bei dem es sich um einen Deckel eines öffnungsfähigen Fahrzeugdaches, wie beispielsweise eines Schiebedaches, Schiebehebedaches oder Spoilerdaches, oder um eine Lamelle eines Lamellendaches handeln kann. Das Dachelement umfasst eine auf der Fahrzeugaußenseite liegende Oberschale 12 sowie eine auf der Fahrzeuginnenseite liegende Unterschale 14. Die Oberschale 12 besteht aus einer Folie 16, die mit einem Verstärkungsmaterial 18 hinterspritzt ist. Das Hinterspritzen von Folien für Fahrzeugkarosserieteile ist beispielsweise in X. Hopfenspirger et al., "Kunststoff-Außenteile sind integrierbar", Sonderdruck aus der Zeitschrift "Kunststoffe plast europe", 88. Jahrgang, 1998, Heft 10, oder Grefenstein, "Folienhinterspritzen statt Lackieren", Sonderdruck der Zeitschrift mo Beschichten von Kunststoff und Metall, Heft 10, 1999, beschrieben. Dabei wird die Folie extrudiert, unter Wärmeeinrichtung verformt und schließlich in ein Werkzeug eingebracht, in welchem sie mit einem geeigneten Verstärkungsmaterial hinterspritzt wird.In Fig. 1, a roof element 10 is shown, which is a lid of a openable vehicle roof, such as a sunroof, Sliding roof or spoiler roof, or around a slat of a slatted roof can act. The roof element comprises one on the outside of the vehicle lying upper shell 12 and a lying on the inside of the vehicle Lower shell 14. The upper shell 12 consists of a film 16, which with a reinforcing material 18 is injected behind. Injection of foils for vehicle body parts is, for example, in X. Hopfenspirger et al., "Kunststoff-Außenenteile can be integrated ", reprint from the journal" Kunststoffe plast europe ", 88. Vintage, 1998, Issue 10, or Grefenstein, "film back spraying instead of painting", Special edition of the magazine mo Coating of Plastic and Metal, Issue 10, 1999, described. The film is extruded, deformed under heating device and finally introduced into a tool in which they are provided with a suitable Reinforcing material is injected behind.

Die Folie 16 kann mehrschichtig ausgebildet sein, wobei eine Deckschicht, eine Farbschicht und eine Folienträgerschicht vorgesehen sein können, wobei die Deckschicht, die aus PMMA bzw. Plexiglas transparent ausgebildet sein kann, für die nötige Kratzfestigkeit, Härte, Witterungsbeständigkeit sowie den nötigen Glanz sorgt, die Farbschicht, die ebenfalls aus PMMA bestehen kann, eingefärbt ist, um für eine gewünschte Färbung bzw. Effekteinfärbung (Metallic, Flitter etc.) zu sorgen, und die Trägerschicht, die beispielsweise aus ASA oder ASA/PC bestehen kann, für eine gewünschte Färbung sowie für die Haftung zum Hinterspritzmaterial bzw. Verstärkungsmaterial 18 sorgen kann. Die Folienschichten können auch für eine Verbesserung der UV-Beständigkeit vorgesehen sein. Wenn die Folienträgerschicht eingefärbt ist, kann auch auf die Farbschicht verzichtet werden. Die einzelnen Folienschichten werden bei der Herstellung der Folie vorzugsweise koextrudiert. The film 16 may be multi-layered, wherein a cover layer, a Color layer and a film support layer may be provided, wherein the Cover layer, which may be formed of PMMA or Plexiglas transparent, for the necessary scratch resistance, hardness, weather resistance and the necessary Gloss ensures the color layer, which can also consist of PMMA, dyed is, in order for a desired coloring or effect coloring (metallic, baubles etc.) and the carrier layer, which consist for example of ASA or ASA / PC can, for a desired color as well as for adhesion to Hinterspritzmaterial or reinforcing material 18 can provide. The foil layers may also be provided for improving the UV resistance. If the film support layer is colored, can also be dispensed with the color layer become. The individual film layers are used in the production of Foil preferably coextruded.

Das hinterspritzte Verstärkungsmaterial kann beispielsweise ASA, ABS, ASA/PC, PBT/ASA oder PUR-GF sein, wobei die Materialwahl von der speziellen Anwendung abhängt.The back-injected reinforcing material can be, for example, ASA, ABS, ASA / PC, PBT / ASA or PUR-GF, with the choice of materials of the specific application depends.

Bei dem in Fig. 1 gezeigten Dachelement ist die Form der Oberschale 12 so gewählt, dass sie im wesentlichen als ebene Platte ausgebildet ist. An ihrem hinteren Ende 20 ist die Oberschale 12 für den Kontakt mit einer Dichtung mit einer abgerundeten Kante versehen.In the roof element shown in Fig. 1, the shape of the upper shell 12 is selected so that that it is designed substantially as a flat plate. At her back End 20 is the top shell 12 for contact with a seal with a provided rounded edge.

Die Unterschale 14 weist einen leicht gekrümmten plattenförmigen Basisbereich 22 auf, von welchem sich aus mehrere in etwa äquidistant angeordnete, in Dachquerrichtung verlaufende Distanzrippen 24 senkrecht nach oben erstrecken. Die Unterschale 14 ist als Spritzgussteil ausgebildet.The lower shell 14 has a slightly curved plate-shaped base region 22, of which several are arranged approximately equidistantly, in the roof transverse direction extending spacer ribs 24 extend vertically upwards. The Lower shell 14 is formed as an injection molded part.

Die oberen Enden der Distanzrippen 24 sind leicht überstehend ausgebildet, um ein Verbinden mit der Oberschale 12 mittels Reibschweißen zu ermöglichen. Dabei werden in einem entsprechenden Werkzeug die Oberschale 12 und die Unterschale 14 periodisch im aufeinander gedrückten Zustand gegeneinander verschoben, wobei die dabei entstehende Reibungshitze ein Anschmelzen des Kontaktbereichs am oberen Ende der Distanzrippen 24 bewirkt, was zu einer Schweißverbindung in diesem Bereich zwischen der Oberschale 12 und der Unterschale 14 führt. Durch diesen Verbund wird über einen Sandwich-Effekt die erforderliche Steifigkeit des Dachelements 10 bei geringem Gewicht und einfacher Fertigung erzielt. Die zwischen den Rippen 24 gebildeten Hohlräume 26 können entweder leer gelassen werden oder sie können bei Bedarf mit einem Füllmaterial, beispielsweise einem Schaum, befüllt werden, um beispielsweise eine Geräuschdämmung zu erzielen.The upper ends of the spacer ribs 24 are slightly protruding to to allow a connection with the upper shell 12 by means of friction welding. there In a corresponding tool, the upper shell 12 and the lower shell 14 periodically shifted in the pressed state against each other, wherein the resulting frictional heat melting the Contact area at the upper end of the spacer ribs 24 causes, resulting in a Welded joint in this area between the upper shell 12 and the lower shell 14 leads. Through this composite is a sandwich effect the Required rigidity of the roof element 10 with low weight and easier Production achieved. The cavities 26 formed between the ribs 24 can either be left blank or they can be with one if necessary Fill material, such as a foam, are filled, for example to achieve a sound insulation.

Die vorliegende Erfindung ist jedoch nicht auf die beschriebene Reibverschweißung beschränkt, vielmehr können die beiden Schalen 12, 14 auch auf andere Weise miteinander fest verbunden werden, beispielsweise durch ein anderes Kunststoffschweißverfahren, eine Verklebung, eine Verklipsung oder auch durch einen Füllstoff mit Klebewirkung.However, the present invention is not limited to the described friction welding limited, but the two shells 12, 14 and others Way are firmly connected to each other, for example, by another Plastic welding, gluing, Verklipsung or by a filler with adhesive effect.

Bei der gezeigten Ausführungsform des Dachelements 10 sind die Schalen 12, 14 so ausgebildet, dass sie für eine Funktionsintegration sorgen, wodurch ansonsten erforderliche zusätzliche Teile eingespart werden können, was zu einer Kostenverringerung führt. So ist beispielsweise der vordere Bereich der Unterschale 14 als Wasserrinne 28 ausgebildet, welche in diesem Bereich eindringendes Wasser seitlich in in Dachlängsrichtung verlaufende Führungsschienen für das Dachelement 10 (nicht dargestellt) einleitet. Oberhalb der Wasserrinne 28 ist ein in Dachquerrichtung verlaufendes Dichtungselement 30 aus elastischem Material, z.B. Gummi oder Silikon, vorgesehen, welches im gezeigten Beispiel als Hohlkammerdichtung ausgebildet ist und einen sich nach hinten erstreckenden Befestigungsabschnitt 32 aufweist, welcher so zwischen der nach unten gezogenen Vorderkante 34 der Oberschale 12 und einem sich stegartig nach oben erstrekkenden Abschnitt 36 der Unterschale 14 zu liegen kommt, dass das Dichtungselement 30 mittels eines verdickten Endabschnitts gegen ein Herausrutschen nach vorn gesichert ist. Auf diese Weise wirken die Oberschale 12 und die Unterschale 14 im Zusammenspiel als Dichtungshalterung. Vorzugsweise erfolgt die Anbringung des Dichtelements 30 dadurch, dass das Dichtungselement 30 mit dem Befestigungsabschnitt 32 entsprechend im Bereich der Vorderkante 34 bzw. des Stegs 36 positioniert wird, bevor die Oberschale 12 und die Unterschale 14 miteinander verbunden werden (im gezeigten Beispiel mittels Reibschweißen). Dadurch kann das Dichtungselement 30 auf einfache Weise an dem Dachelement 10 montiert werden.In the illustrated embodiment of the roof element 10, the shells 12, 14 designed so that they provide for functional integration, otherwise required additional parts can be saved, resulting in a reduction in costs leads. For example, the front of the lower shell 14 formed as a gutter 28, which penetrates in this area Water laterally in the roof longitudinal direction extending guide rails for Roof element 10 (not shown) initiates. Above the gully 28 is a in roof transverse direction extending sealing element 30 made of elastic material, e.g. Rubber or silicone, provided, which in the example shown as a hollow chamber seal is formed and a rearwardly extending attachment portion 32, which thus pulled between the down Leading edge 34 of the upper shell 12 and a web-like upwardly erstrekkenden Section 36 of the lower shell 14 comes to rest, that the sealing element 30 by means of a thickened end portion against slipping out is secured to the front. In this way, the upper shell 12 and the lower shell act 14 in interaction as a seal holder. Preferably, the Attachment of the sealing element 30 in that the sealing element 30 with the attachment portion 32 in the region of the leading edge 34 and of the web 36 is positioned before the upper shell 12 and the lower shell 14th be joined together (in the example shown by means of friction welding). As a result, the sealing element 30 can be easily attached to the roof element 10 are mounted.

Das Dichtungselement 30 kann entweder zur Anlage an den vorderen Rand einer Dachöffnung oder zur Anlage an dem hinteren Rand 20 eines zweiten, im wesentlichen identischen Dachelements 10, ausgebildet sein, siehe Fig. 2. Im Bereich des Dichtungselements 30 eindringendes Wasser wird wie oben beschrieben von der Wasserrinne 28 aufgefangen und abgeleitet. The sealing element 30 can either be for contact with the front edge of a Roof opening or for engagement with the rear edge 20 of a second, substantially identical roof element 10, be formed, see Fig. 2. In the area the sealing element 30 penetrating water is as described above caught by the gully 28 and derived.

Das hintere Ende der Unterschale 14 ist als Abtropfkante 38 ausgebildet, um eventuell an der Unterseite des Dachelements 10 zurücklaufendes Wasser definiert abtropfen zu lassen, wobei gemäß Fig. 2 solches Wasser in die Wasserrinne 28 des benachbarten Dachelements 10 abtropft.The rear end of the lower shell 14 is formed as a drip edge 38 to possibly defined at the bottom of the roof element 10 returning water let drain as shown in FIG. 2 such water in the gutter 28 of the adjacent roof element 10 drips.

Bestimmte Bereiche der Unterschale 14 können als Sichtblenden ausgebildet sein, um bestimmte Bereiche der Dachmechanik abzudecken.Certain areas of the lower shell 14 may be formed as screens to cover certain areas of roofing mechanics.

In der Nähe der Abtropfkante 38 ist ein Pufferelement 40 aus elastischem Material an der Unterseite der Unterschale 14 vorgesehen, an welches sich in der in Fig. 2 gezeigten Schließstellung der Dachelemente 10 ein entsprechendes Gegenstück 42 anlegt, welches von dem vorderen Rand 42 der Wasserrinne 28 des benachbarten Dachelements 10 gebildet wird. Das Pufferelement 40 ist vorgesehen, um die Höheneinstellung der Dachelemente 10 relativ zueinander sicherzustellen.In the vicinity of the drip edge 38 is a buffer member 40 made of elastic material provided on the underside of the lower shell 14, to which in the in Fig. 2 shown closed position of the roof elements 10, a corresponding counterpart 42 applies, which of the front edge 42 of the gully 28 of the adjacent roof element 10 is formed. The buffer element 40 is provided, to ensure the height adjustment of the roof elements 10 relative to each other.

Die Unterseite der Unterschale 14 kann zum Fahrgastinnenraum hin sichtbar sein und ist deshalb mit einer entsprechenden Oberflächenqualität ausgestattet, was beispielsweise durch eine Stoffkaschierung, eine Narbung etc. erreicht werden kann.The underside of the lower shell 14 may be visible to the passenger compartment and is therefore equipped with an appropriate surface quality, which For example, be achieved by a cloth lamination, a grain, etc. can.

Alternativ kann die Unterseite der Unterschale 14 von einer vorzugsweise gefärbten hinterspritzten Folie gebildet werden, wobei dann die Unterschale nicht als Spritzgussteil, sondern als hinterspritzte Folie wie die Oberschale im gezeigten Beispiel mit einem Verstärkungsmaterial, das dann auch die Rippen 24 bildet, ausgebildet ist. In diesem Fall kann unter Umständen die Oberschale 12 statt der Unterschale 14 als Spritzgussteil ausgebildet sein.Alternatively, the bottom of the lower shell 14 of a preferably colored back-injected film are formed, in which case the lower shell is not as an injection molded part, but as a back-sprayed film like the upper shell in the shown Example with a reinforcing material, which then also forms the ribs 24, is trained. In this case may be the top shell 12 instead of the Lower shell 14 may be formed as an injection molded part.

Die Erfindung ist nicht darauf beschränkt, dass die Folie hinterspritzt ist. Alternativ kann die Folie mit Verstärkungsmaterial hinterschäumt oder hinterpresst sein. Bei dem hinterschäumten Verstärkungsmaterial kann es sich beispielsweise um ein PU-System handeln, welches vorzugsweise glasfaserverstärkt ist. Bei dem hinterpressten Verstärkungsmaterial kann es sich um vorgefertigtes Plattenmaterial, z.B. um glasfaserverstärkte PP-Platten handeln.The invention is not limited to the fact that the film is back-injected. alternative the film may be backfoamed or back pressed with reinforcing material. at the foam-backed reinforcing material may be, for example, a PU system act, which is preferably glass fiber reinforced. In the behind pressed Reinforcing material may be prefabricated plate material, e.g. to trade glass fiber reinforced PP boards.

Die verwendeten Abkürzungen sind wie folgt zu verstehen:The abbreviations used are to be understood as follows:

Polymethylmetacrylat (PMMA), Acrylnitril/Styrol/Acrylester (ASA), Polycarbonat (PC), Acrylnitril/Butadien/Styrol (ABS), Polybutylenterphtalat (PBT), Polyurethan (PU), Glasfaser (GF), Polypropylen (PP). Sind zwei solche Abkürzungen mittels eines Schrägstrichs verbunden, so bedeutet dies eine Mischung aus den beiden Materialien.Polymethyl methacrylate (PMMA), acrylonitrile / styrene / acrylic ester (ASA), polycarbonate (PC), acrylonitrile / butadiene / styrene (ABS), polybutylene terephthalate (PBT), polyurethane (PU), glass fiber (GF), polypropylene (PP). Are two such shortcuts using connected by a slash, this means a mixture of the two Materials.

Mit "bezüglich des Dachelements nach außen weisende Seite" ist diejenige Seite der beiden Seiten des Oberteils bzw. des Unterteils gemeint, die nicht zu dem von dem Oberteil und dem Unterteil umschlossenen Hohlraum hinweist.With "with respect to the roof element outward side" is that side meant the two sides of the upper part or of the lower part, which does not belong to the indicates the cavity enclosed by the upper part and the lower part.

Claims (28)

  1. External body part (10) for an automobile, having a shell-like upper part (12) of plastic, whose outwardly pointing side is formed by a film (16) which is laminated with a reinforcing material (18) in an in-mould injection moulding, foam-backing or compression moulding process and is combined with a lower part (14) of plastic, so that the upper part (12) and the lower part (14) are firmly connected to each other, characterized in that the downwardly pointing part of the lower part (14) is likewise formed by a film (16) which is laminated with a reinforcing material (18) in an in-mould injection moulding, foam-backing or compression moulding process, or the lower part (14) is formed as an injection moulding and a hollow space (26) is formed between the upper part (12) and lower part (14).
  2. External body part according to Claim 1, characterized in that the external body part is designed as a roof element (10).
  3. External body part according to Claim 2, characterized in that the film (16) is coloured.
  4. External body part according to Claim 2 or 3, characterized in that the film (16) is produced by means of extrusion.
  5. External body part according to one of Claims 2 to 4, characterized in that the film (16) is laminated with the reinforcing material (18) in an in-mould injection moulding process.
  6. External body part according to Claim 5, characterized in that the film (16) has a first top layer of PMMA.
  7. External body part according to Claim 6, characterized in that the film (16) has a second, coloured top layer of polymethylmethacrylate (PMMA).
  8. External body part according to one of Claims 5 to 7, characterized in that the film (16) has a carrier layer of acrylonitrile/styrene/acrylate (ASA) or acrylonitrile/styrene/acrylate/polycarbonate (ASA/PC).
  9. External body part according to one of Claims 2 to 4, characterized in that the in-mould laminated reinforcing material (18) is acrylonitrile/styrene/ acrylate (ASA), acrylonitrile/butadiene/styrene (ABS), acrylonitrile/styrene/acrylate/polycarbonate (ASA/PC), polybutylene terephthalate/acrylonitrile/styrene/ acrylate (PBT/ASA) or glass-fibre-reinforced polyurethane (PUR-GF) or a mixture thereof.
  10. External body part according to one of Claims 2 to 4, characterized in that the film (16) is laminated with the reinforcing material (18) in an in-mould injection moulding process and the reinforcing material is a polyurethane (PU) system.
  11. External body part according to Claim 10, characterized in that the filler material is fibre-reinforced, preferably glass-fibre-reinforced.
  12. External body part according to one of Claims 2 to 4, characterized in that the film (16) is laminated with the reinforcing material (18) in an in-mould compression moulding process and the reinforcing material (18) is prefabricated panel material.
  13. External body part according to Claim 12, characterized in that the panel material is fibre-reinforced polypropylene (PP) panels.
  14. External body part according to one of Claims 2 to 13, characterized in that one of the parts (12) is formed with in-mould laminated film (16), while the other part (14) is formed as an injection moulding.
  15. External body part according to Claim 14, characterized in that the upper part (12) is formed with in-mould laminated film (16), while the lower part (14) is formed as an injection moulding.
  16. External body part according to one of Claims 2 to 15, characterized in that one of the two parts (14) has spacer ribs (24), whose ends are connected to the other part (12).
  17. External body part according to one of Claims 2 to 16, characterized in that the two parts (12, 14) are welded to each other.
  18. External body part according to Claim 17, characterized in that the two parts (12, 14) are connected to each other by friction welding.
  19. External body part according to Claim 18, characterized in that one of the two parts (14) has spacer ribs (24), whose ends are connected to the other part (12) by means of friction welding.
  20. External body part according to one of Claims 2 to 19, characterized in that the roof element (10) is displaceable.
  21. External body part according to Claim 20, characterized in that the roof element (10) is a panel or a louvre of a vehicle roof that can be opened.
  22. External body part according to Claim 21, characterized in that a water channel (28) is integrated into the lower part (14).
  23. External body part according to Claim 22, characterized in that the water channel (28) is provided in the region of the front edge (42) of the roof element (10) and is designed to lead water off laterally into roof-mounted guide rails for the roof element (10).
  24. External body part according to one of Claims 21 to 23, characterized in that the lower part (14) is provided with a drip edge (38).
  25. External body part according to one of Claims 21 to 24, characterized in that the upper part (12) and the lower part (14) are designed such that when they are assembled they hold between them a seal element (30) for the roof part (10).
  26. External body part according to one of Claims 21 to 25, characterized in that one of the two parts (14) is provided with an elastic buffer element (40), which is provided to interact with an adjacent roof element (10) in order to effect the relative vertical adjustment of the two roof elements in relation to each other.
  27. External body part according to one of Claims 2 to 26, characterized in that the hollow space (26) is at least partly filled with a filling material.
  28. External body part according to Claim 27, characterized in that the filling material is a foam.
EP01107636A 2001-03-28 2001-03-28 External body part for automobile Expired - Lifetime EP1245478B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT01107636T ATE305874T1 (en) 2001-03-28 2001-03-28 EXTERIOR BODY PART FOR A VEHICLE
DE50107610T DE50107610D1 (en) 2001-03-28 2001-03-28 Body outer part for a vehicle
ES01107636T ES2249343T3 (en) 2001-03-28 2001-03-28 EXTERIOR BODY ELEMENT FOR A CAR.
EP01107636A EP1245478B1 (en) 2001-03-28 2001-03-28 External body part for automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01107636A EP1245478B1 (en) 2001-03-28 2001-03-28 External body part for automobile

Publications (2)

Publication Number Publication Date
EP1245478A1 EP1245478A1 (en) 2002-10-02
EP1245478B1 true EP1245478B1 (en) 2005-10-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP01107636A Expired - Lifetime EP1245478B1 (en) 2001-03-28 2001-03-28 External body part for automobile

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EP (1) EP1245478B1 (en)
AT (1) ATE305874T1 (en)
DE (1) DE50107610D1 (en)
ES (1) ES2249343T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10143564A1 (en) * 2001-09-05 2003-03-20 Basf Ag Composite hollow profile product for vehicle body construction comprises a ribbed component connected to a plastic layer injected onto the rear side of a film layer
US6902778B2 (en) * 2002-06-28 2005-06-07 Siemens Vdo Automotive Inc. High stiffness plastic wall for molded plastic products
DE10347598A1 (en) * 2003-10-14 2005-06-23 Bayerische Motoren Werke Ag Component, in particular outer skin component for a vehicle
DE102004010273A1 (en) * 2004-03-03 2005-09-29 Benteler Automobiltechnik Gmbh Cabriolet

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1680071A1 (en) 1968-01-22 1971-07-01 Gepla Ges Fuer Plasterzeugniss Plastic sunroof
US4943680A (en) * 1986-10-28 1990-07-24 Rexham Corporation Method of making a decorative sheet material simulating the appearance of a base coat/clear coat paint finish
DE4129860C1 (en) 1991-09-07 1992-09-17 Webasto Ag Fahrzeugtechnik, 8035 Stockdorf, De
DE19531598A1 (en) * 1995-08-28 1997-03-06 Bayerische Motoren Werke Ag Process to manufacture motor vehicle sunshield with decorative layer
GB2311966A (en) * 1996-04-11 1997-10-15 R J Designrights Limited Motor vehicle manufactured from modular plastics panels
DE19708369C1 (en) 1997-03-01 1998-04-23 Webasto Karosseriesysteme Cover for sunroof of motor vehicle
DE19739386C1 (en) 1997-09-09 1998-10-22 Webasto Karosseriesysteme Hood for openable vehicle roof
SE512739C2 (en) * 1997-09-17 2000-05-08 Volvo Ab Material kit for vacuum forming an extruded body part of reinforced plastic and extruded body part of said material set
DE59903532D1 (en) * 1998-10-21 2003-01-09 Arvinmeritor Gmbh Composite component for vehicle bodies
DE19935651C2 (en) * 1999-07-29 2001-08-09 Webasto Vehicle Sys Int Gmbh Vehicle roof with several rigid cover elements
EP1080969A3 (en) * 1999-09-03 2001-08-29 Webasto Vehicle Systems International GmbH Vehicle roof panel with plastic frame and peripheral gap sealing and method for manufacturing such a panel

Also Published As

Publication number Publication date
EP1245478A1 (en) 2002-10-02
DE50107610D1 (en) 2006-02-16
ATE305874T1 (en) 2005-10-15
ES2249343T3 (en) 2006-04-01

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